GNUnet  0.10.x
gnunet-secretsharing-profiler.c
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1 /*
2  This file is part of GNUnet
3  Copyright (C) 2014 GNUnet e.V.
4 
5  GNUnet is free software: you can redistribute it and/or modify it
6  under the terms of the GNU Affero General Public License as published
7  by the Free Software Foundation, either version 3 of the License,
8  or (at your option) any later version.
9 
10  GNUnet is distributed in the hope that it will be useful, but
11  WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  Affero General Public License for more details.
14 
15  You should have received a copy of the GNU Affero General Public License
16  along with this program. If not, see <http://www.gnu.org/licenses/>.
17 
18  SPDX-License-Identifier: AGPL3.0-or-later
19  */
20 
26 #include "platform.h"
27 #include "gnunet_util_lib.h"
29 #include "gnunet_testbed_service.h"
30 
34 static unsigned int num_peers = 3;
35 
39 static unsigned int threshold = 2;
40 
44 static int decrypt = GNUNET_NO;
45 
50 
55 
60 
62 
67 
69 
70 
71 static unsigned int num_connected_sessions;
72 
73 static unsigned int num_connected_decrypt;
74 
79 static struct GNUNET_TESTBED_Peer **peers;
80 
82 
83 static unsigned int num_retrieved_peer_ids;
84 
85 static unsigned int num_generated;
86 
87 static unsigned int num_decrypted;
88 
90 
91 static unsigned int verbose;
92 
94 
96 
98 
100 
101 
103 
105 
110 
114 static int in_shutdown;
115 
116 
124 static void
125 controller_cb (void *cls,
126  const struct GNUNET_TESTBED_EventInformation *event)
127 {
128  GNUNET_assert (0);
129 }
130 
131 
141 static void
144  void *ca_result,
145  const char *emsg)
146 {
147 
148  if (NULL != emsg)
149  {
151  "testbed connect emsg: %s\n",
152  emsg);
153  GNUNET_assert (0);
154  }
155 
157 
159  "dkg: session connect complete\n");
160 
162  {
164  "dkg: all peers connected\n");
165  }
166 }
167 
168 
178 static void
181  void *ca_result,
182  const char *emsg)
183 {
184 
185  if (NULL != emsg)
186  {
188  "testbed connect emsg: %s\n",
189  emsg);
190  GNUNET_assert (0);
191  }
192 
194 
196  "decrypt: session connect complete\n");
197 
199  {
201  "decrypt: all peers connected\n");
202  }
203 }
204 
205 
212 static void decrypt_cb (void *cls,
213  const struct GNUNET_SECRETSHARING_Plaintext *plaintext)
214 {
215  struct GNUNET_SECRETSHARING_DecryptionHandle **dhp = cls;
216  unsigned int n = dhp - decrypt_handles;
217  num_decrypted++;
218 
219  *dhp = NULL;
220 
221  // we should still be connected if this is called
222  GNUNET_assert (NULL != connect_ops[n]);
223 
224  GNUNET_TESTBED_operation_done (connect_ops[n]);
225 
226  if (NULL == plaintext)
227  {
228  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "decrypt failed for peer %u\n", n);
229  return;
230  }
231  else if (0 == GNUNET_memcmp (&reference_plaintext, plaintext))
232  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "decrypt got correct result for peer %u\n", n);
233  else
234  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "decrypt got wrong result for peer %u\n", n);
235 
236  if (num_decrypted == num_peers)
237  {
238  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "every peer decrypted\n");
240  }
241 
242  *dhp = NULL;
243 }
244 
245 
246 
257 static void *
259  const struct GNUNET_CONFIGURATION_Handle *cfg)
260 {
261  struct GNUNET_SECRETSHARING_DecryptionHandle **hp = cls;
262  unsigned int n = hp - decrypt_handles;
263 
265  "decrypt connect adapter, %d peers\n",
266  num_peers);
267  *hp = GNUNET_SECRETSHARING_decrypt (cfg, shares[n], &ciphertext,
269  decrypt_cb,
270  hp);
271 
272  return *hp;
273 }
274 
275 
283 static void
285 {
286  struct GNUNET_SECRETSHARING_DecryptionHandle **dh = cls;
287  unsigned int n = dh - decrypt_handles;
288 
289  GNUNET_assert (*dh == decrypt_handles[n]);
290 
291  if (NULL != *dh)
292  {
294  *dh = NULL;
295  }
296 
297  GNUNET_assert (NULL != connect_ops[n]);
298  connect_ops[n] = NULL;
299 }
300 
301 
302 static void
303 secret_ready_cb (void *cls,
304  struct GNUNET_SECRETSHARING_Share *my_share,
305  struct GNUNET_SECRETSHARING_PublicKey *public_key,
306  unsigned int num_ready_peers,
307  const struct GNUNET_PeerIdentity *ready_peers)
308 {
309  struct GNUNET_SECRETSHARING_Session **sp = cls;
310  unsigned int n = sp - session_handles;
311  char pubkey_str[1024];
312  char *ret;
313 
314  num_generated++;
315  *sp = NULL;
316  shares[n] = my_share;
317  if (NULL == my_share)
318  {
319  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "key generation failed for peer #%u\n", n);
320  }
321  else
322  {
323  ret = GNUNET_STRINGS_data_to_string (public_key, sizeof *public_key, pubkey_str, 1024);
324  GNUNET_assert (NULL != ret);
325  *ret = '\0';
326  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "key generation successful for peer #%u, pubkey %s\n", n,
327  pubkey_str);
328 
329  /* we're the first to get the key -> store it */
330  if (num_generated == 1)
331  {
332  common_pubkey = *public_key;
333  }
334  else if (0 != GNUNET_memcmp (public_key, &common_pubkey))
335  {
336  GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "generated public keys do not match\n");
338  return;
339  }
340  }
341 
342  // we should still be connected
343  GNUNET_assert (NULL != connect_ops[n]);
344 
345  // disconnect from the service, will call the disconnect callback
346  GNUNET_TESTBED_operation_done (connect_ops[n]);
347 
348 }
349 
350 
361 static void *
363  const struct GNUNET_CONFIGURATION_Handle *cfg)
364 {
365  struct GNUNET_SECRETSHARING_Session **sp = cls;
366 
368  "connect adapter, %d peers\n",
369  num_peers);
371  num_peers,
372  peer_ids,
373  &session_id,
374  dkg_start,
375  dkg_deadline,
376  threshold,
377  &secret_ready_cb, sp);
378  return *sp;
379 }
380 
381 
382 
390 static void
392 {
393  struct GNUNET_SECRETSHARING_Session **sp = cls;
394  unsigned int n = (sp - session_handles);
395 
396  GNUNET_assert (*sp == session_handles[n]);
397 
398  if (NULL != *sp)
399  {
401  *sp = NULL;
402  }
403 
404  GNUNET_assert (NULL != connect_ops[n]);
405  connect_ops[n] = NULL;
406 
407  if (GNUNET_YES == in_shutdown)
408  return;
409 
410  // all peers received their secret
411  if (num_generated == num_peers)
412  {
413  int i;
414 
415  // only do decryption if requested by the user
416  if (GNUNET_NO == decrypt)
417  {
419  return;
420  }
421 
424 
425  // compute g^42 as the plaintext which we will decrypt and then
426  // cooperatively decrypt
429 
430  for (i = 0; i < num_peers; i++)
431  connect_ops[i] =
432  GNUNET_TESTBED_service_connect (NULL, peers[i], "secretsharing", &decrypt_connect_complete, NULL,
433  &decrypt_connect_adapter, &decrypt_disconnect_adapter, &decrypt_handles[i]);
434  }
435 }
436 
437 
447 static void
448 peer_info_cb (void *cb_cls,
450  const struct GNUNET_TESTBED_PeerInformation *pinfo,
451  const char *emsg)
452 {
453  struct GNUNET_PeerIdentity *p;
454  int i;
455 
456  GNUNET_assert (NULL == emsg);
457 
458  p = (struct GNUNET_PeerIdentity *) cb_cls;
459 
460  if (pinfo->pit == GNUNET_TESTBED_PIT_IDENTITY)
461  {
462  *p = *pinfo->result.id;
465  for (i = 0; i < num_peers; i++)
466  connect_ops[i] =
467  GNUNET_TESTBED_service_connect (NULL, peers[i], "secretsharing", session_connect_complete, NULL,
469  }
470  else
471  {
472  GNUNET_assert (0);
473  }
474 
476 }
477 
478 
484 static void
485 handle_shutdown (void *cls)
486 {
488 
489  if (NULL != connect_ops)
490  {
491  unsigned int i;
492  for (i = 0; i < num_peers; i++)
493  if (NULL != connect_ops[i])
494  {
495  // the disconnect callback will set the op to NULL
496  GNUNET_TESTBED_operation_done (connect_ops[i]);
497  }
498  GNUNET_free (connect_ops);
499  }
500 
501  // killing the testbed operation will take care of remaining
502  // service handles in the disconnect callback
503 }
504 
505 
519 static void
520 test_master (void *cls,
521  struct GNUNET_TESTBED_RunHandle *h,
522  unsigned int num_peers,
523  struct GNUNET_TESTBED_Peer **started_peers,
524  unsigned int links_succeeded,
525  unsigned int links_failed)
526 {
527  int i;
528 
529  GNUNET_log_setup ("gnunet-secretsharing-profiler", "INFO", NULL);
530 
531  GNUNET_log (GNUNET_ERROR_TYPE_INFO, "test master\n");
532 
534 
535  peers = started_peers;
536 
537  peer_ids = GNUNET_malloc (num_peers * sizeof (struct GNUNET_PeerIdentity));
538 
539  session_handles = GNUNET_new_array (num_peers, struct GNUNET_SECRETSHARING_Session *);
540  decrypt_handles = GNUNET_new_array (num_peers, struct GNUNET_SECRETSHARING_DecryptionHandle *);
541  connect_ops = GNUNET_new_array (num_peers, struct GNUNET_TESTBED_Operation *);
542  shares = GNUNET_new_array (num_peers, struct GNUNET_SECRETSHARING_Share *);
543 
544  for (i = 0; i < num_peers; i++)
545  {
546  // we do not store the returned operation, as peer_info_cb
547  // will receive it as a parameter and call GNUNET_TESTBED_operation_done.
550  peer_info_cb,
551  &peer_ids[i]);
552  }
553 }
554 
555 
556 static void
557 run (void *cls, char *const *args, const char *cfgfile,
558  const struct GNUNET_CONFIGURATION_Handle *cfg)
559 {
560  static char *session_str = "gnunet-secretsharing/test";
561  char *topology;
562  int topology_cmp_result;
563 
566 
567  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string (cfg, "testbed", "OVERLAY_TOPOLOGY", &topology))
568  {
569  fprintf (stderr,
570  "'OVERLAY_TOPOLOGY' not found in 'testbed' config section, "
571  "seems like you passed the wrong configuration file\n");
572  return;
573  }
574 
575  topology_cmp_result = strcasecmp (topology, "NONE");
576  GNUNET_free (topology);
577 
578  if (0 == topology_cmp_result)
579  {
580  fprintf (stderr,
581  "'OVERLAY_TOPOLOGY' set to 'NONE', "
582  "seems like you passed the wrong configuration file\n");
583  return;
584  }
585 
587  "running gnunet-secretsharing-profiler\n");
588 
589  GNUNET_CRYPTO_hash (session_str, strlen (session_str), &session_id);
590 
591  (void) GNUNET_TESTBED_test_run ("gnunet-secretsharing-profiler",
592  cfgfile,
593  num_peers,
594  0,
596  NULL,
597  test_master,
598  NULL);
599 }
600 
601 
602 int
603 main (int argc, char **argv)
604 {
605  struct GNUNET_GETOPT_CommandLineOption options[] = {
606 
608  "num-peers",
609  NULL,
610  gettext_noop ("number of peers in consensus"),
611  &num_peers),
612 
614  "delay",
615  NULL,
616  gettext_noop ("dkg start delay"),
617  &delay),
618 
620  "timeout",
621  NULL,
622  gettext_noop ("dkg timeout"),
623  &timeout),
624 
626  "threshold",
627  NULL,
628  gettext_noop ("threshold"),
629  &threshold),
630 
632  "descrypt",
633  gettext_noop ("also profile decryption"),
634  &decrypt),
635 
636 
638 
640  };
643  GNUNET_PROGRAM_run2 (argc, argv, "gnunet-secretsharing-profiler",
644  "help",
645  options, &run, NULL, GNUNET_YES);
646  return 0;
647 }
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_relative_time(char shortName, const char *name, const char *argumentHelp, const char *description, struct GNUNET_TIME_Relative *val)
Allow user to specify a struct GNUNET_TIME_Relative (using human-readable "fancy" time)...
static struct GNUNET_SECRETSHARING_Plaintext reference_plaintext
static int decrypt
Should we try to decrypt a value after the key generation?
static unsigned int threshold
What should the threshold for then key be?
static unsigned int verbose
static void peer_info_cb(void *cb_cls, struct GNUNET_TESTBED_Operation *op, const struct GNUNET_TESTBED_PeerInformation *pinfo, const char *emsg)
Callback to be called when the requested peer information is available.
static unsigned int num_peers
How many peers should participate in the key generation?
static void * session_connect_adapter(void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
Adapter function called to establish a connection to a service.
int GNUNET_PROGRAM_run2(int argc, char *const *argv, const char *binaryName, const char *binaryHelp, const struct GNUNET_GETOPT_CommandLineOption *options, GNUNET_PROGRAM_Main task, void *task_cls, int run_without_scheduler)
Run a standard GNUnet command startup sequence (initialize loggers and configuration, parse options).
Definition: program.c:141
union GNUNET_TESTBED_PeerInformation::@64 result
The result of the get information operation; Choose according to the pit.
struct GNUNET_SCHEDULER_Task * GNUNET_SCHEDULER_add_shutdown(GNUNET_SCHEDULER_TaskCallback task, void *task_cls)
Schedule a new task to be run on shutdown, that is when a CTRL-C signal is received, or when GNUNET_SCHEDULER_shutdown() is being invoked.
Definition: scheduler.c:1293
#define GNUNET_TIME_UNIT_MINUTES
One minute.
static struct GNUNET_SECRETSHARING_Session ** session_handles
Handles for secretsharing sessions.
int GNUNET_TESTBED_test_run(const char *testname, const char *cfg_filename, unsigned int num_peers, uint64_t event_mask, GNUNET_TESTBED_ControllerCallback cc, void *cc_cls, GNUNET_TESTBED_TestMaster test_master, void *test_master_cls)
Convenience method for running a "simple" test on the local system with a single call from &#39;main&#39;...
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_verbose(unsigned int *level)
Define the &#39;-V&#39; verbosity option.
enum GNUNET_TESTBED_PeerInformationType pit
Peer information type; captures which of the types in the &#39;op_result&#39; is actually in use...
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
static int op_result(struct GNUNET_OP_Handle *h, uint64_t op_id, int64_t result_code, const void *data, uint16_t data_size, void **ctx, uint8_t cancel)
Remove an operation, and call its result callback (unless it was cancelled).
Definition: op.c:244
static void session_disconnect_adapter(void *cls, void *op_result)
Adapter function called to destroy a connection to a service.
Argument to GNUNET_TESTBED_ControllerCallback with details about the event.
A share, with all values in in host byte order.
#define GNUNET_NO
Definition: gnunet_common.h:81
#define GNUNET_OK
Named constants for return values.
Definition: gnunet_common.h:78
enum GNUNET_TESTBED_TopologyOption topology
The topology to generate.
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_add(struct GNUNET_TIME_Absolute start, struct GNUNET_TIME_Relative duration)
Add a given relative duration to the given start time.
Definition: time.c:393
Definition of a command line option.
static void decrypt_connect_complete(void *cls, struct GNUNET_TESTBED_Operation *op, void *ca_result, const char *emsg)
Callback to be called when a service connect operation is completed.
static void decrypt_disconnect_adapter(void *cls, void *op_result)
Adapter function called to destroy a connection to a service.
static void run(void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
void GNUNET_SCHEDULER_shutdown(void)
Request the shutdown of a scheduler.
Definition: scheduler.c:524
static int ret
Final status code.
Definition: gnunet-arm.c:89
struct GNUNET_SECRETSHARING_DecryptionHandle * GNUNET_SECRETSHARING_decrypt(const struct GNUNET_CONFIGURATION_Handle *cfg, struct GNUNET_SECRETSHARING_Share *share, const struct GNUNET_SECRETSHARING_Ciphertext *ciphertext, struct GNUNET_TIME_Absolute start, struct GNUNET_TIME_Absolute deadline, GNUNET_SECRETSHARING_DecryptCallback decrypt_cb, void *decrypt_cb_cls)
Publish the given ciphertext for decryption.
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_OPTION_END
Definition: 002.c:13
static struct GNUNET_ARM_Handle * h
Connection with ARM.
Definition: gnunet-arm.c:94
Opaque handle to an abstract operation to be executed by the testing framework.
Public key of a group sharing a secret.
struct GNUNET_PeerIdentity * id
The identity of the peer.
static struct GNUNET_TIME_Absolute dkg_start
void GNUNET_SECRETSHARING_session_destroy(struct GNUNET_SECRETSHARING_Session *s)
Destroy a secret sharing session.
struct GNUNET_TESTBED_Operation * GNUNET_TESTBED_service_connect(void *op_cls, struct GNUNET_TESTBED_Peer *peer, const char *service_name, GNUNET_TESTBED_ServiceConnectCompletionCallback cb, void *cb_cls, GNUNET_TESTBED_ConnectAdapter ca, GNUNET_TESTBED_DisconnectAdapter da, void *cada_cls)
Connect to a service offered by the given peer.
static unsigned int num_decrypted
int GNUNET_SECRETSHARING_plaintext_generate_i(struct GNUNET_SECRETSHARING_Plaintext *plaintext, int64_t exponent)
static struct GNUNET_TESTBED_Peer ** peers
Handles to the running peers.
static struct GNUNET_OS_Process * p
Helper process we started.
Definition: gnunet-qr.c:59
static unsigned int num_retrieved_peer_ids
static struct GNUNET_PeerIdentity * peer_ids
static void session_connect_complete(void *cls, struct GNUNET_TESTBED_Operation *op, void *ca_result, const char *emsg)
Callback to be called when a service connect operation is completed.
static struct GNUNET_TIME_Absolute decrypt_deadline
void GNUNET_CRYPTO_hash(const void *block, size_t size, struct GNUNET_HashCode *ret)
Compute hash of a given block.
Definition: crypto_hash.c:44
static struct GNUNET_TIME_Relative timeout
When would we like to see the operation finished?
static void controller_cb(void *cls, const struct GNUNET_TESTBED_EventInformation *event)
Signature of the event handler function called by the respective event controller.
struct GNUNET_SECRETSHARING_Session * GNUNET_SECRETSHARING_create_session(const struct GNUNET_CONFIGURATION_Handle *cfg, unsigned int num_peers, const struct GNUNET_PeerIdentity *peers, const struct GNUNET_HashCode *session_id, struct GNUNET_TIME_Absolute start, struct GNUNET_TIME_Absolute deadline, unsigned int threshold, GNUNET_SECRETSHARING_SecretReadyCallback cb, void *cls)
Create a session that will eventually establish a shared secret with the other peers.
void GNUNET_SECRETSHARING_decrypt_cancel(struct GNUNET_SECRETSHARING_DecryptionHandle *dh)
Cancel a decryption.
#define GNUNET_new_array(n, type)
Allocate a size n array with structs or unions of the given type.
static unsigned int num_generated
static void handle_shutdown(void *cls)
Signature of the main function of a task.
static struct GNUNET_SECRETSHARING_Share ** shares
Shares we got from the distributed key generation.
static struct GNUNET_SECRETSHARING_Ciphertext ciphertext
void GNUNET_TESTBED_operation_done(struct GNUNET_TESTBED_Operation *operation)
This function is used to signal that the event information (struct GNUNET_TESTBED_EventInformation) f...
Definition: testbed_api.c:2046
A 512-bit hashcode.
struct GNUNET_TIME_Absolute GNUNET_TIME_absolute_get(void)
Get the current time.
Definition: time.c:118
Session that will eventually establish a shared secred between the involved peers and allow encryptio...
struct GNUNET_TESTBED_Operation * GNUNET_TESTBED_peer_get_information(struct GNUNET_TESTBED_Peer *peer, enum GNUNET_TESTBED_PeerInformationType pit, GNUNET_TESTBED_PeerInfoCallback cb, void *cb_cls)
Request information about a peer.
int GNUNET_CONFIGURATION_get_value_string(const struct GNUNET_CONFIGURATION_Handle *cfg, const char *section, const char *option, char **value)
Get a configuration value that should be a string.
static struct GNUNET_CONFIGURATION_Handle * cfg
Our configuration.
Definition: gnunet-arm.c:104
int GNUNET_SECRETSHARING_encrypt(const struct GNUNET_SECRETSHARING_PublicKey *public_key, const struct GNUNET_SECRETSHARING_Plaintext *plaintext, struct GNUNET_SECRETSHARING_Ciphertext *result_ciphertext)
Encrypt a value.
Handle to cancel a cooperative decryption operation.
static struct GNUNET_TESTBED_Operation ** connect_ops
Connect operations, one for every peer.
static int in_shutdown
Are we performing a shutdown right now?
static struct GNUNET_TIME_Relative delay
When should dkg communication start?
#define GNUNET_TIME_UNIT_ZERO
Relative time zero.
#define GNUNET_memcmp(a, b)
Compare memory in a and b, where both must be of the same pointer type.
int main(int argc, char **argv)
The identity of the host (wraps the signing key of the peer).
What is the identity of the peer? Returns a &#39;const struct GNUNET_PeerIdentity *&#39;. ...
static unsigned int num_connected_decrypt
configuration data
Definition: configuration.c:85
static void secret_ready_cb(void *cls, struct GNUNET_SECRETSHARING_Share *my_share, struct GNUNET_SECRETSHARING_PublicKey *public_key, unsigned int num_ready_peers, const struct GNUNET_PeerIdentity *ready_peers)
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_flag(char shortName, const char *name, const char *description, int *val)
Allow user to specify a flag (which internally means setting an integer to 1/GNUNET_YES/GNUNET_OK.
static unsigned int num_connected_sessions
Plain, unencrypted message that can be encrypted with a group public key.
#define GNUNET_log(kind,...)
static struct GNUNET_HashCode session_id
static struct GNUNET_SECRETSHARING_PublicKey common_pubkey
Time for absolute times used by GNUnet, in microseconds.
static void decrypt_cb(void *cls, const struct GNUNET_SECRETSHARING_Plaintext *plaintext)
Called when a decryption has succeeded.
#define GNUNET_YES
Definition: gnunet_common.h:80
static void * decrypt_connect_adapter(void *cls, const struct GNUNET_CONFIGURATION_Handle *cfg)
Adapter function called to establish a connection to a service.
static struct GNUNET_TIME_Absolute dkg_deadline
struct GNUNET_GETOPT_CommandLineOption GNUNET_GETOPT_option_uint(char shortName, const char *name, const char *argumentHelp, const char *description, unsigned int *val)
Allow user to specify an unsigned int.
int GNUNET_log_setup(const char *comp, const char *loglevel, const char *logfile)
Setup logging.
static struct GNUNET_ARM_Operation * op
Current operation.
Definition: gnunet-arm.c:139
A peer controlled by the testing framework.
static struct GNUNET_SECRETSHARING_DecryptionHandle ** decrypt_handles
#define GNUNET_malloc(size)
Wrapper around malloc.
static void test_master(void *cls, struct GNUNET_TESTBED_RunHandle *h, unsigned int num_peers, struct GNUNET_TESTBED_Peer **started_peers, unsigned int links_succeeded, unsigned int links_failed)
Signature of a main function for a testcase.
char * GNUNET_STRINGS_data_to_string(const void *data, size_t size, char *out, size_t out_size)
Convert binary data to ASCII encoding using CrockfordBase32.
Definition: strings.c:924
#define GNUNET_free(ptr)
Wrapper around free.
Time for relative time used by GNUnet, in microseconds.
Data returned from GNUNET_TESTBED_peer_get_information.
#define gettext_noop(String)
Definition: gettext.h:69
static struct GNUNET_TIME_Absolute decrypt_start